Purdue University, West Lafayette IN: campus showing Memorial Hall and Recitation Building. Photo marred by heavy ink line

Chicago citation style
Purdue University, West Lafayette IN: campus showing Memorial Hall and Recitation Building. Photo marred by heavy ink line. Retrieved from the Digital Public Library of America, http://contentdm.acpl.lib.in.us/cdm/ref/collection/coll6/id/2977. (Accessed June 18, 2018.)
APA citation style
Purdue University, West Lafayette IN: campus showing Memorial Hall and Recitation Building. Photo marred by heavy ink line. Retrieved from the Digital Public Library of America, http://contentdm.acpl.lib.in.us/cdm/ref/collection/coll6/id/2977
MLA citation style
Retrieved from the Digital Public Library of America <http://contentdm.acpl.lib.in.us/cdm/ref/collection/coll6/id/2977>.
Note: These citations are programmatically generated and may be incomplete.